Analysis
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max time kernel
110s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
17/02/2025, 02:40
Behavioral task
behavioral1
Sample
bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe
Resource
win7-20241010-en
General
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Target
bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe
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Size
824KB
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MD5
6da3ca50c7683889245d64a56b8feebc
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SHA1
5bfcf38ad81afeb3b28a986a725426112f4c1eb9
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SHA256
bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794
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SHA512
311ef1cfdfc2ca61b9cfffe803b0ac0849cb410c4e4d07b41233969a289bc0514a9ee4766d0d1a2a179f43fe3077e541224e20186503a9d5c2181bcbe362ab4f
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SSDEEP
12288:pwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozEc888888888888W8888888Z:dNzCtUpQ9WWPBSSRMTEpXNO
Malware Config
Signatures
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Detects Renamer worm. 3 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/memory/4152-0-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/files/0x0009000000023c5e-7.dat family_renamer behavioral2/memory/4152-267-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer -
Renamer family
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Downloads MZ/PE file 2 IoCs
flow pid Process 38 4788 Process not Found 55 2840 Process not Found -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Paint.lnk bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification F:\autorun.inf bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\OFFICE16\vLICLUA.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavac.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\RCX8903.tmp bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\RCX8657.tmp bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Google\Chrome\Application\vchrome.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavadoc.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\vDW20.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\VideoLAN\VLC\vuninstall.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InputPersonalization.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\vAppVDllSurrogate32.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\7-Zip\7z.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\vcreatedump.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jre-1.8\bin\jabswitch.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\VideoLAN\VLC\vuninstall.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\InputPersonalization.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vOfficeC2RClient.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vidlj.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\javadoc.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Mozilla Firefox\vcrashreporter.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vOfficeC2RClient.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome.exe.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\vextcheck.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjarsigner.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Windows NT\Accessories\wordpad.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\vmisc.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\RCX8974.tmp bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\VideoLAN\VLC\RCX89A5.tmp bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\ShapeCollector.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavapackager.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.ico bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\7-Zip\7z.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4500 MicrosoftEdgeUpdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe"C:\Users\Admin\AppData\Local\Temp\bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794.exe"1⤵
- Drops startup file
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4152
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mzg5MTcwMjgwIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
824KB
MD56da3ca50c7683889245d64a56b8feebc
SHA15bfcf38ad81afeb3b28a986a725426112f4c1eb9
SHA256bcc3d969ef5734701e2aa1fd5400a2f38ef5c7d83d83ba9647bec5ec914ee794
SHA512311ef1cfdfc2ca61b9cfffe803b0ac0849cb410c4e4d07b41233969a289bc0514a9ee4766d0d1a2a179f43fe3077e541224e20186503a9d5c2181bcbe362ab4f
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Filesize
4KB
MD538b41d03e9dfcbbd08210c5f0b50ba71
SHA12fbfde75ce9fe8423d8e7720bf7408cedcb57a70
SHA256611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5
SHA512ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9
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Filesize
4KB
MD53ea9bcbc01e1a652de5a6fc291a66d1a
SHA1aee490d53ee201879dff37503a0796c77642a792
SHA256a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c
SHA5127c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501
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C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico
Filesize4KB
MD5fc27f73816c9f640d800cdc1c9294751
SHA1e6c3d8835d1de4e9606e5588e741cd1be27398f6
SHA2563cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05
SHA5129e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4
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Filesize
102B
MD55513829683bff23161ca7d8595c25c72
SHA19961b65bbd3bac109dddd3a161fc30650e8a7096
SHA25694e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
SHA512308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6